1999 WJ18
1999WJ18, 92071, J99W18J
All data for this body: [vot]
MPC data
| Name (number) |
1999 WJ18 (92071) |
| a |
3.10258 |
| e |
0.16511 |
| i / sin(i) |
16.7096 /
0.28752
|
| q |
2.59032
|
| Q |
3.61483
|
| ω |
356.3709 |
| Node |
76.7553 |
| m |
232.0538 |
| n |
0.1804 |
| Epoch |
2460800.5 |
| nobs |
908 |
| nopp |
19 |
| Years observed |
1999-2025 |
| rms |
0.80 |
Best values
|
Value |
Standard error |
| Parent |
|
|
| |
|
|
| ap |
3.098 |
|
| ep |
0.175 |
|
| sin(ip) |
0.259 |
|
| G |
0.150 |
|
| H |
14.490 |
|
| Mass |
|
|
| D |
|
|
| pV |
|
|
|
Value |
| Rotational Period |
|
| Period quality |
None |
| Spectral Class |
L |
| Spectral Class Score |
2.478 |
Proper elements data
| ap |
ep |
sin(ip) |
Author |
Reference |
Method |
| 3.0978 |
0.1748 |
0.2591 |
Novakovic_Radovic_Todovic |
2003A&A...403.1165K |
Numeric-Nov-2024 |
G data
| Value |
Uncertainty up |
Uncertainty down |
Author |
Reference |
Method |
| 0.15 |
|
|
MPC-2023-12-94 |
MPC-2023-12-94 |
Phot |
H data
| Value |
Uncertainty up |
Uncertainty down |
Author |
Reference |
Method |
| 14.49 |
|
|
MPC-2023-12-04 |
MPC-2023-12-04 |
Phot |
Spectral Class Data
| Class 1 |
Class 2 |
Probability of Class 1 |
Probability of Class 2 |
Taxonomy |
Wavelength |
Author |
Reference |
Method |
| L |
|
0.413 |
|
Bus-Demeo |
VIS |
Sergeyev |
2022A&A...658A.109S |
PHOT |